Flat grade share
- The Kauai Marathon & Half Marathon
- 48.1% Favoured
The Kauai Marathon & Half Marathon vs Jungfrau-Marathon Interlaken
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofThe Kauai Marathon & Half Marathon or Jungfrau-Marathon Interlaken — which comes out ahead?
The Kauai Marathon & Half Marathon has the stronger available profile on flat grade share and course flatness.
Route comparison snapshot
The Kauai Marathon & Half Marathon
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 1.9% Favoured
- flat grade share
- 48.1% Favoured
- lower ascent
- 607 m
- climbing density
- 14.4 m/km
- net elevation
- -5 m
- maximum grade
- 24.0%
Jungfrau-Marathon Interlaken
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 30.0%
- flat grade share
- 47.7%
- lower ascent
- 1,960 m
- climbing density
- 46.5 m/km
- net elevation
- 1,761 m
- maximum grade
- 35.4%
| Metric | The Kauai Marathon & Half Marathon | Jungfrau-Marathon Interlaken |
|---|---|---|
| Flat grade share | 48.1% ✓ | 47.7% |
| GAP factor (% slower than flat) | 1.9% ✓ | 30.0% |
| Uphill share | 25.1% | 45.6% |
| Steep-up share | 5.5% | 28.5% |
| Downhill share | 26.8% | 6.7% |
| Total ascent (m) | 607 m | 1,960 m |
| Climbing density (m/km) | 14.4 m/km | 46.5 m/km |
| Longest climb length (m) | 2,320 m | 2,270 m |
| Longest climb gain (m) | 119 m | 379 m |
| Longest climb average grade | 5.1% | 16.7% |
| Total descent (m) | 612 m | 200 m |
| Net elevation (m) | -5 m | 1,761 m |
| Max absolute grade | 24.0% | 35.4% |
| Start elevation (m) | 12 m | 566 m |
| Finish elevation (m) | 7 m | 2,327 m |
| Scenic score | 100/100 | 100/100 |
| Conditions | 32/100 | 63/100 ✓ |
GAP factor (% slower than flat)
- The Kauai Marathon & Half Marathon
- 1.9% Favoured
Uphill share
Steep-up share
Downhill share
Total ascent (m)
- Jungfrau-Marathon Interlaken
- 1,960 m
Climbing density (m/km)
- The Kauai Marathon & Half Marathon
- 14.4 m/km
- Jungfrau-Marathon Interlaken
- 46.5 m/km
Longest climb length (m)
- Jungfrau-Marathon Interlaken
- 2,270 m
Longest climb gain (m)
Longest climb average grade
Total descent (m)
Net elevation (m)
- Jungfrau-Marathon Interlaken
- 1,761 m
Max absolute grade
Start elevation (m)
Finish elevation (m)
- Jungfrau-Marathon Interlaken
- 2,327 m
Scenic score
- Jungfrau-Marathon Interlaken
- 100/100
Conditions
- Jungfrau-Marathon Interlaken
- 63/100 Favoured
Only metrics available for at least one side are shown. A ✓ marks the better value for each metric (higher-is-better aware). Scores are out of 100 when available. Ascent, climbing density, max absolute grade and median finish describe course or field context and are not marked as better or worse.
Race facts that change the decision
| Fact | The Kauai Marathon & Half Marathon | Jungfrau-Marathon Interlaken |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2026-09-06 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2026-09-05 (legacy event-level date). |
| Location | Koloa, Hawaii | Interlaken, Switzerland |
| Actual distance | 42.2 km | 42.2 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Course type | Point To Point | Point To Point |
| Surface | Unavailable | Mixed: flat asphalt roads through the valley for the first ~10 km, then mountain roads and alpine nature/gravel paths on the climb to Eigergletscher |
| Elevation character | Hilly | Mountainous |
| Terrain | Road, Beach | Road, Trail |
| Scenery | Coastal, Parkland, Canyon, Island, Mountain, Forest, Waterfront, Countryside | Mountain, Forest, Lakeside, Countryside |
| Atmosphere | Destination, Scenic Tour, Festival | Scenic Tour, Destination, Wilderness |
| Technicality | Non Technical | Moderate |
| Total ascent | 607 m | 1,960 m |
| Climbing density | 14.4 m/km | 46.5 m/km |
| Total descent | 612 m | 200 m |
| Net elevation | -5 m | 1,761 m |
| Max absolute grade | 24.0% | 35.4% |
| Flat grade share | 48.1% | 47.7% |
| GAP factor | 1.9% | 30.0% |
| Cutoff | 7:00:00 | 5:50:00 |
| Entry model | Open | Open |
Schedule
- The Kauai Marathon & Half Marathon
Exact race date not confirmed. Event weekend starts 2026-09-06 (legacy event-level date).
- Jungfrau-Marathon Interlaken
Exact race date not confirmed. Event weekend starts 2026-09-05 (legacy event-level date).
Location
- The Kauai Marathon & Half Marathon
- Koloa, Hawaii
- Jungfrau-Marathon Interlaken
- Interlaken, Switzerland
Actual distance
- The Kauai Marathon & Half Marathon
- 42.2 km
- Jungfrau-Marathon Interlaken
- 42.2 km
raceindex.org mapped route held
- The Kauai Marathon & Half Marathon
- Held
- Jungfrau-Marathon Interlaken
- Held
raceindex.org elevation profile held
- The Kauai Marathon & Half Marathon
- Held
- Jungfrau-Marathon Interlaken
- Held
Course type
- The Kauai Marathon & Half Marathon
- Point To Point
- Jungfrau-Marathon Interlaken
- Point To Point
Surface
- The Kauai Marathon & Half Marathon
- Unavailable
- Jungfrau-Marathon Interlaken
- Mixed: flat asphalt roads through the valley for the first ~10 km, then mountain roads and alpine nature/gravel paths on the climb to Eigergletscher
Elevation character
- The Kauai Marathon & Half Marathon
- Hilly
- Jungfrau-Marathon Interlaken
- Mountainous
Terrain
- The Kauai Marathon & Half Marathon
- Road, Beach
- Jungfrau-Marathon Interlaken
- Road, Trail
Scenery
- The Kauai Marathon & Half Marathon
- Coastal, Parkland, Canyon, Island, Mountain, Forest, Waterfront, Countryside
- Jungfrau-Marathon Interlaken
- Mountain, Forest, Lakeside, Countryside
Atmosphere
- The Kauai Marathon & Half Marathon
- Destination, Scenic Tour, Festival
- Jungfrau-Marathon Interlaken
- Scenic Tour, Destination, Wilderness
Technicality
- The Kauai Marathon & Half Marathon
- Non Technical
- Jungfrau-Marathon Interlaken
- Moderate
Total ascent
- The Kauai Marathon & Half Marathon
- 607 m
- Jungfrau-Marathon Interlaken
- 1,960 m
Climbing density
- The Kauai Marathon & Half Marathon
- 14.4 m/km
- Jungfrau-Marathon Interlaken
- 46.5 m/km
Total descent
- The Kauai Marathon & Half Marathon
- 612 m
- Jungfrau-Marathon Interlaken
- 200 m
Net elevation
- The Kauai Marathon & Half Marathon
- -5 m
- Jungfrau-Marathon Interlaken
- 1,761 m
Max absolute grade
- The Kauai Marathon & Half Marathon
- 24.0%
- Jungfrau-Marathon Interlaken
- 35.4%
Flat grade share
- The Kauai Marathon & Half Marathon
- 48.1%
- Jungfrau-Marathon Interlaken
- 47.7%
GAP factor
- The Kauai Marathon & Half Marathon
- 1.9%
- Jungfrau-Marathon Interlaken
- 30.0%
Cutoff
- The Kauai Marathon & Half Marathon
- 7:00:00
- Jungfrau-Marathon Interlaken
- 5:50:00
Entry model
- The Kauai Marathon & Half Marathon
- Open
- Jungfrau-Marathon Interlaken
- Open
Facts are shown only when they exist in the sourced race record; Not held means no sourced value is held for that race.
Common questions
Which is flatter, The Kauai Marathon & Half Marathon or Jungfrau-Marathon Interlaken?
The Kauai Marathon & Half Marathon has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.